%\addcontentsline{toc}{section}{Bibliografía}
%\bibliographystyle{named}
\newpage
\bibliographystyle{named}
%\bibliographystyle{plain}
\bibliography{bibliografia}
%\begin{thebibliography}{10}
%\normalsize
%\renewcommand{\itemsep}{-1pt}
%\end{thebibliography}